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perf-smell-audit

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更新时间2026年6月15日 14:55

Deterministic, advisory algorithmic performance-smell audit for Python. Wraps perflint (via pylint) to emit PERF findings for wrong container types, redundant casts, and list/comprehension refactors (perflint's high-precision deterministic checks) to the shared code-health finding schema. The over-approximating loop-invariant heuristics are excluded. Never mutates source.

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jc1122/repo-audit-skills

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perf-smell-audit

Overview

A code-health leaf skill reporting source-level algorithmic performance smells as advisory PERF findings. It does not modify anything.

Quick Start

python3 scripts/perf_smell_audit.py \
  --root /path/to/repo \
  --source-prefix src/pkg/ \
  --out-dir /tmp/perf-smell

Output

perf-smell_findings.json — sorted findings (shared schema).
perf-smell_report.md — summary.
stdout status JSON.

Exit Codes

0 clean, 1 advisory findings present, 2 tool/config error.

Tools

perflint (via pylint, --load-plugins=perflint). Only perflint's high-precision message ids are kept — W8101/W8102 (cast/iterator), W8204 (memoryview), W8301 (tuple-over-list), W8401/W8402/W8403 (comprehension refactors). The heuristic loop-invariant family (W8201/W8202/W8205, R8203) is excluded; pylint core, syntax, and import messages are dropped. A missing pylint or perflint is a config error (exit 2), never zero findings. Findings are deterministic.

Limits

Advisory only — emits PERF findings and never mutates or reorders source.
Python only: backed by perflint (via pylint).
Requires pylint and perflint installed; a missing tool is a config error (exit 2), not a finding.
Source-level algorithmic smells only — complementary to exec-audit's execution-level PERF findings (slow tests, serial runners), not a duplicate.
High-precision subset: wrong-container, redundant-cast, dict-iterator, memoryview, and list/comprehension refactors. The over-approximating loop-invariant heuristics (W8201/W8202/W8205, R8203) are excluded.
Deterministic and offline; no network access.

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name	perf-smell-audit
version	0.8.0
description	Deterministic, advisory algorithmic performance-smell audit for Python. Wraps perflint (via pylint) to emit PERF findings for wrong container types, redundant casts, and list/comprehension refactors (perflint's high-precision deterministic checks) to the shared code-health finding schema. The over-approximating loop-invariant heuristics are excluded. Never mutates source.

perf-smell-audit

Overview

A code-health leaf skill reporting source-level algorithmic performance smells as advisory PERF findings. It does not modify anything.

Quick Start

python3 scripts/perf_smell_audit.py \
  --root /path/to/repo \
  --source-prefix src/pkg/ \
  --out-dir /tmp/perf-smell

Output

perf-smell_findings.json — sorted findings (shared schema).
perf-smell_report.md — summary.
stdout status JSON.

Exit Codes

0 clean, 1 advisory findings present, 2 tool/config error.

Tools

Limits

Advisory only — emits PERF findings and never mutates or reorders source.
Python only: backed by perflint (via pylint).
Requires pylint and perflint installed; a missing tool is a config error (exit 2), not a finding.
Source-level algorithmic smells only — complementary to exec-audit's execution-level PERF findings (slow tests, serial runners), not a duplicate.
High-precision subset: wrong-container, redundant-cast, dict-iterator, memoryview, and list/comprehension refactors. The over-approximating loop-invariant heuristics (W8201/W8202/W8205, R8203) are excluded.
Deterministic and offline; no network access.